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Publication Type : Conference Proceedings
Source : International Conference on Materials Science and Technology, ICMST 2012
Url : https://iopscience.iop.org/article/10.1088/1757-899X/73/1/012003/meta
Campus : Amritapuri
School : School of Arts and Sciences, School of Physical Sciences
Verified : No
Year : 2012
Abstract : In this paper, the synthesis of ZnO and doped Zn1-xAgxO (where x=0.03) nanoparticles by co- precipitation is reported. The precursors used were Zinc Nitrate and Potassium hydroxide pellets. For doping, 3% AgNO3 in ZnNO3 was considered as a separate buffer solution. The prepared nanoparticles were subsequently spin coated onto silica glass substrates at a constant chuck rate of 3000 rpm. The substrate acts as the lower cladding of a waveguide structure. The upper cladding is assumed to be air in the present investigation. The nanostructures of the ZnO powders in the doped and undoped cases were studied using X-ray Diffraction patterns. There was a decrease in the grain size with doping which increase the tunability of the powders to be used as photoluminescent devices. The optical characteristics of the sample were also investigated using UV-Visible spectrophotometer at 200-900 nm wavelengths. The photoluminescence peaks also report a dramatic increase in intensity at the same wavelength for the doped case compared to the undoped one.
Cite this Research Publication : Mohan R.E., Neha P.R., Shalu T., Darshana K.C., Sreelatha K.S. Fabrication of ZnO and doped ZnO waveguides deposited by Spin Coating.. IOP Conference Series: Materials Science and Engineering, 2015 73 1 10.1088/1757-899X/73/1/012003, Institute of Physics Publishing, International Conference on Materials Science and Technology, ICMST 2012 10 June 2012 through 14 June 2012 17578981